add configuration-as-code plugin to Bill of Material

.gitignore

@@ -1 +1,3 @@
 target
+.idea/
+*.iml

bom/pom.xml

@@ -9,6 +9,7 @@
     <artifactId>bom</artifactId>
     <packaging>pom</packaging>
     <properties>
+        <configuration-as-code-plugin.version>1.30</configuration-as-code-plugin.version>
         <git-plugin.version>3.12.1</git-plugin.version>
         <scm-api-plugin.version>2.6.3</scm-api-plugin.version>
         <structs-plugin.version>1.20</structs-plugin.version>
@@ -20,6 +21,17 @@
     <dependencyManagement>
         <dependencies>
             <!-- Plugins (sorted): -->
+            <dependency>
+                <groupId>io.jenkins</groupId>
+                <artifactId>configuration-as-code</artifactId>
+                <version>${configuration-as-code-plugin.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.jenkins</groupId>
+                <artifactId>configuration-as-code</artifactId>
+                <version>${configuration-as-code-plugin.version}</version>
+                <classifier>tests</classifier>
+            </dependency>
             <dependency>
                 <groupId>org.jenkins-ci.plugins.workflow</groupId>
                 <artifactId>workflow-api</artifactId>

sample-plugin/pom.xml

@@ -41,6 +41,17 @@
         </dependencies>
     </dependencyManagement>
     <dependencies>
+        <dependency>
+            <groupId>io.jenkins</groupId>
+            <artifactId>configuration-as-code</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.jenkins</groupId>
+            <artifactId>configuration-as-code</artifactId>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins.workflow</groupId>
             <artifactId>workflow-step-api</artifactId>

sample-plugin/src/test/java/io/jenkins/tools/bom/sample/ConfigurationAsCodeTest.java

@@ -0,0 +1,22 @@
+package io.jenkins.tools.bom.sample;
+
+import io.jenkins.plugins.casc.misc.ConfiguredWithCode;
+import io.jenkins.plugins.casc.misc.JenkinsConfiguredWithCodeRule;
+import jenkins.model.Jenkins;
+import org.junit.ClassRule;
+import org.junit.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
+
+public class ConfigurationAsCodeTest {
+
+    @ClassRule
+    @ConfiguredWithCode("configuration-as-code.yml")
+    public static JenkinsConfiguredWithCodeRule j = new JenkinsConfiguredWithCodeRule();
+
+    @Test
+    public void smokes() {
+        assertThat(Jenkins.get().getSystemMessage(), is("Hello World"));
+    }
+}

sample-plugin/src/test/resources/io/jenkins/tools/bom/sample/configuration-as-code.yml

@@ -0,0 +1,2 @@
+jenkins:
+  systemMessage: "Hello World"